The Window,observation, cataloged under National Stock Number 9340-01-318-1237, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Technical Wire Products, Llc Dba Twp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9340-01-318-1237 |
| Primary Part Number | 71-91040A |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Technical Wire Products, Llc Dba Twp |
| Status | ACTIVE |
| Style Designator | SQUARE CORNERS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 71-91040A PRIMARY | Technical Wire Products, Llc Dba Twp (USA) |
| Reference | Meaning |
|---|---|
| 84001033-002 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 9340-01-318-1237 is a Window,observation, manufactured by Technical Wire Products, Llc Dba Twp, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-318-1237 has 1 manufacturer part number on file: 71-91040A (Technical Wire Products, Llc Dba Twp).
Key specifications for 71-91040A: Style Designator: SQUARE CORNERS; Overall Length: 7.880 INCHES NOMINAL IN; Overall Width: 6.200 INCHES NOMINAL IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 9340-01-318-1237 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.